I have WATU Pro. Now I have 100 Exams and 100 Lessons With Namaste LMS. How to Restrict User / Student to Clear Maximum One Exam Each Day. Once User got A Grade - I already Set WATU Pro that if User get F Grade user can re-take Exam till Got A Grade but Once User Got A, User can't enter same exam next time, Now How to Set Next Exam will Only Cleared Next Day.